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dt-binding: usb: add usb-role-switch property 

Add a property usb-role-switch to tell the driver that use
USB Role Switch framework to handle the role switch,
it's useful when the driver has already supported other ways,
such as extcon framework etc.

Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Yu Chen <chenyu56@huawei.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/1567070558-29417-2-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2019-08-29 17:22:28 +08:00 committed by Greg Kroah-Hartman
parent ea44d19076
commit 451d15a173
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/usb/generic.txt
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@ -30,6 +30,10 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
- usb-role-switch: boolean, indicates that the device is capable of assigning
the USB data role (USB host or USB device) for a given
USB connector, such as Type-C, Type-B(micro).
see connector/usb-connector.txt.
This is an attribute to a USB controller such as: